Premium Replacement Distributor Cap f/Mercruiser Inboard Engines – GM-StyleThis distributor cap fits GM-Style (module in the cap) distributors – V8 Applications excluding MPI engines with ECM 555.Replaces:INDMAR Distributor Cap 556038CRUSADER Distributor Cap 38070MERCRUISER Distributor Cap 804418MERCRUISER Distributor Cap 808483MERCRUISER Distributor Cap 808483TMERCRUISER Distributor Cap 808483T3SIERRA Distributor Cap 18-5354CDI ELECTRONICS Distributor Cap E64-0014*ARCO Assurance 12-month part and labor warranty protectionThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.